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Investigation of beta-carotene gelatin composite particles with a multiwavelength UV/vis detector for the analytical ultracentrifuge

Investigation of beta-carotene gelatin composite particles with a multiwavelength UV/vis detector for the analytical ultracentrifuge

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KARABUDAK, Engin, Wendel WOHLLEBEN, Helmut CÖLFEN, 2010. Investigation of beta-carotene gelatin composite particles with a multiwavelength UV/vis detector for the analytical ultracentrifuge. In: European Biophysics Journal. 39(3), pp. 397-403. ISSN 0175-7571. eISSN 1432-1017. Available under: doi: 10.1007/s00249-009-0412-6

@article{Karabudak2010Inves-9555, title={Investigation of beta-carotene gelatin composite particles with a multiwavelength UV/vis detector for the analytical ultracentrifuge}, year={2010}, doi={10.1007/s00249-009-0412-6}, number={3}, volume={39}, issn={0175-7571}, journal={European Biophysics Journal}, pages={397--403}, author={Karabudak, Engin and Wohlleben, Wendel and Cölfen, Helmut} }

<rdf:RDF xmlns:dcterms="http://purl.org/dc/terms/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:bibo="http://purl.org/ontology/bibo/" xmlns:dspace="http://digital-repositories.org/ontologies/dspace/0.1.0#" xmlns:foaf="http://xmlns.com/foaf/0.1/" xmlns:void="http://rdfs.org/ns/void#" xmlns:xsd="http://www.w3.org/2001/XMLSchema#" > <rdf:Description rdf:about="https://kops.uni-konstanz.de/rdf/resource/123456789/9555"> <void:sparqlEndpoint rdf:resource="http://localhost/fuseki/dspace/sparql"/> <foaf:homepage rdf:resource="http://localhost:8080/jspui"/> <dc:creator>Cölfen, Helmut</dc:creator> <dcterms:issued>2010</dcterms:issued> <dc:contributor>Cölfen, Helmut</dc:contributor> <dc:contributor>Wohlleben, Wendel</dc:contributor> <dcterms:rights rdf:resource="http://nbn-resolving.org/urn:nbn:de:bsz:352-20140905103416863-3868037-7"/> <dcterms:bibliographicCitation>First publ. in: European Biophysics Journal 39 (2010), 3, pp. 397-403</dcterms:bibliographicCitation> <dc:date rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2011-03-24T18:12:43Z</dc:date> <dc:creator>Karabudak, Engin</dc:creator> <dspace:isPartOfCollection rdf:resource="https://kops.uni-konstanz.de/rdf/resource/123456789/29"/> <dc:format>application/pdf</dc:format> <dc:language>eng</dc:language> <dc:contributor>Karabudak, Engin</dc:contributor> <dcterms:hasPart rdf:resource="https://kops.uni-konstanz.de/bitstream/123456789/9555/1/12793_.pdf"/> <dc:rights>deposit-license</dc:rights> <dcterms:isPartOf rdf:resource="https://kops.uni-konstanz.de/rdf/resource/123456789/29"/> <bibo:uri rdf:resource="http://kops.uni-konstanz.de/handle/123456789/9555"/> <dspace:hasBitstream rdf:resource="https://kops.uni-konstanz.de/bitstream/123456789/9555/1/12793_.pdf"/> <dcterms:title>Investigation of beta-carotene gelatin composite particles with a multiwavelength UV/vis detector for the analytical ultracentrifuge</dcterms:title> <dcterms:available rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2011-03-24T18:12:43Z</dcterms:available> <dcterms:abstract xml:lang="eng">A multiwavelength UV/vis detector for the analytical ultracentrifuge (MWL-AUC) has been developed recently. In this work, β-carotene gelatin composite particles are investigated with MWL-AUC. Band centrifugation with a Vinograd cell is used to ensure maximum sample separation. Spectral changes of the system are observed in dependence of the sedimentation coefficient and are attributed to a previously unknown inhomogeneity of the β-carotene chemical composition with both H- and J-aggregates coexisting in a mixture. In addition, our data suggest that pure H- and J-aggregates exist in a particle while their relative concentrations in a mixture determine the color characteristics of the sample. The unique abilities and properties of MWL-AUC include sedimentation coefficient distributions for all possible wavelengths, full UV/vis spectra of each different species in the mixture and 3D movies of the sedimentation process. These properties significantly extend the scope of the analytical ultracentrifuge technique and show that complex biopolymer multicomponent mixtures can be resolved into their individual species.</dcterms:abstract> <dc:creator>Wohlleben, Wendel</dc:creator> </rdf:Description> </rdf:RDF>

Dateiabrufe seit 01.10.2014 (Informationen über die Zugriffsstatistik)

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